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Ethan Siegel
A theoretical astrophysicist and science writer, host of popular podcast “Starts with a Bang!”
Ethan Siegel is a Ph.D. astrophysicist and author of "Starts with a Bang!" He is a science communicator, who professes physics and astronomy at various colleges. He has won numerous awards for science writing since 2008 for his blog, including the award for best science blog by the Institute of Physics. His two books "Treknology: The Science of Star Trek from Tricorders to Warp Drive" and "Beyond the Galaxy: How humanity looked beyond our Milky Way and discovered the entire Universe" are available for purchase at Amazon. Follow him on Twitter @startswithabang.
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Although we still don't know the question, we know that the answer to life, the Universe, and everything is 42. Here are 5 possibilities.
Nothing lives forever, at least, not in the physical Universe. But relativity allows us to get closer than ever, from one perspective.
Hermann Minkowski called Einstein a "lazybones" with a "not very solid" education. Less than 10 years later, he would eat his words.
The Universe, although violent, is filled with creation events following destructive ones. 1850 light-years away, both types are unfolding.
Between the least massive star and most massive planet lies the mysterious brown dwarf: a class of objects that are neither star nor planet.
From the Big Bang to black holes, singularities are hard to avoid. The math definitely predicts them, but are they truly, physically real?
From unexplained tracks in a balloon-borne experiment to cosmic rays on Earth, the unstable muon was particle physics' biggest surprise.